import java.util.Scanner;
public class Example3_4{
  public static void main(String args[]){
    int number=0;
    System.out.println("输入正整数(回车确定)");
    Scanner reader = new Scanner (System.in);
    number= reader.nextInt();
    switch (number) {
      case 9:
      case 131:
      case 12: System.out.println(number+"是三等奖");
               break;
      case 209:
      case 596:
      case 27:   System.out.println(number+"是二等奖");
               break;
      case 875:
      case 316:
      case 59:  System.out.println(number+"是一等奖");
               break;
      default :  System.out.println(number+"未中奖");
      }
    }
}


